}
void
-Region::trim_start (framepos_t new_position)
+Region::move_start (frameoffset_t distance)
{
if (locked() || position_locked() || video_locked()) {
return;
}
framepos_t new_start;
- frameoffset_t const start_shift = new_position - _position;
- if (start_shift > 0) {
+ if (distance > 0) {
- if (_start > max_framepos - start_shift) {
- new_start = max_framepos;
+ if (_start > max_framepos - distance) {
+ new_start = max_framepos; // makes no sense
} else {
- new_start = _start + start_shift;
+ new_start = _start + distance;
}
if (!verify_start (new_start)) {
return;
}
- } else if (start_shift < 0) {
+ } else if (distance < 0) {
- if (_start < -start_shift) {
+ if (_start < -distance) {
new_start = 0;
} else {
- new_start = _start + start_shift;
+ new_start = _start + distance;
}
} else {
}
set_start_internal (new_start);
+
_whole_file = false;
first_edit ();